Basu, B., R. Shetty, and K. Gupta. “Assessment of Foetal Cardiac Function by Myocardial Tissue Doppler in Foetal Growth Restriction”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 6, no. 3, Feb. 2017, pp. 1045-51, doi:10.18203/2320-1770.ijrcog20170582.